🇵🇹 Viana do Castelo, Portugal
09
- Western European Summer Time
- UTC+1
- Night
☀️ 07:50 · 🌙 18:53 · 11 h 3 min
Viana do Castelo to Austin, TX: time difference
Austin, TX is 6 h behind Viana do Castelo. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Viana do Castelo 23:12 11:12 PM Austin, TX 17:12 5:12 PM You –:–
23:12 11:12 PM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:53
17:12 5:12 PM
Central Daylight Time · UTC-5
☀️ 07:35 · 🌙 18:59
·
−6 h
Austin, TX is 6 h behind Viana do Castelo.
When you, Viana do Castelo and Austin, TX are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Viana do Castelo
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Austin, TX
18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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- Right now
Time zones side by side
| Detail | 🇵🇹 Viana do Castelo | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 23:12 | 17:12 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Western European Summer Time | Central Daylight Time |
| UTC offset | UTC+1 | UTC-5 |
| Offset from Viana do Castelo | — | −6 h |
| IANA zone | Europe/Lisbon | America/Chicago |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:50 | 07:35 |
| Sunset | 18:53 | 18:59 |
| Daylight | 11 h 3 min | 11 h 24 min |
| People on this clock | 85,784 | 974,447 |
Compare Viana do Castelo with another city
More comparisons with Viana do Castelo: the time zones next to it and the far side of the clock.
Big time differences
Viana do Castelo and Austin, TX: common questions
How far behind Viana do Castelo is Austin, TX?
Austin is 6 hours behind Viana do Castelo: UTC−5 against UTC+1.
What time is it in Austin, TX, when it is 9:00 AM in Viana do Castelo?
When it is 9:00 AM in Viana do Castelo, it is 3:00 AM in Austin.
What time is it in Austin, TX, when it is 6:00 PM in Viana do Castelo?
When it is 6:00 PM in Viana do Castelo, it is 12:00 PM in Austin.
When do working hours in Viana do Castelo and in Austin, TX, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Viana do Castelo, which is 9:00 AM to 12:00 PM in Austin.
Until what time in Viana do Castelo is it still yesterday in Austin, TX?
Before 6:00 AM in Viana do Castelo, the date in Austin has not changed yet. From 6:00 PM in Austin, it is already the next day in Viana do Castelo.
Does the time difference between Viana do Castelo and Austin, TX, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Austin will be 5 hours behind Viana do Castelo.
